File:StructuralTesting 013.jpg

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Description Testing steel truss
Date 6/5/1925
Source National Institute of Standards and Technology
Author National Institute of Standards and Technology
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Public domain
This image is in the public domain in the United States because it is a work of the United States Federal Government, specifically an employee of the National Institute of Standards and Technology, under the terms of Title 17, Chapter 1, Section 105 of the US Code.

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Public domain
This image is in the public domain in the United States because it is a work of the United States Federal Government, specifically an employee of the National Institute of Standards and Technology, under the terms of Title 17, Chapter 1, Section 105 of the US Code.

العربية  English  日本語  македонски  Nederlands  +/−

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Date/TimeThumbnailDimensionsUserComment
current19:48, 10 March 2014Thumbnail for version as of 19:48, 10 March 20144,822 × 6,012 (20.79 MB)NISTResearchLibrary (talk | contribs)

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